Remove the image’s background. We're going to use it in three forms: As a transparent image, a hover effect and as text on a transparent (and layered) background. Using CSS pseudo-elements of either :before or :after, you a div with a background image and set an opacity on it. The value of  opacity property can be from 0.0 – 1.0. Permalink to comment # December 3, 2018 @Black Panther How does it work for background-image? In this method, you can use a simple transparent image as a background image and a solid background color. Some are more artistic, using a mixture of opacity to give the images more pizzaz. Example 8-6 describes the table used earlier, this time with a background image set for the body. In addition, we have added what should happen when a user hovers over one of the images. CSS3 provides for alpha colors, as well as the transparent keyword. But we want to make it semi-transparent and overlay text. There are 'virtual' elements added to real elements defined in the HTML. The opacity of background for transparency can be made by using the rgba colors of CSS. The 'hero' element wraps everything. In this tutorial you will see how to create the full screen image with affects and a text overlay. The CSS it produces provides a default rule, used in the .hero::before style, referencing the smallest image. You want the background to match the real element's size. 0 ist … when we apply background opacity property of CSS for an HTML element, then what happened. The level 0.0 is completely transparent, 0.5 is 50% see-through and level 1.0 is not transparent. Feel free to use this example as template when you need to create rich, full screen hero images with a text overlay. To do this the height, width and min-width and min-height are all set to 100%. Image Opacity and Transparency. You can increase or decrease its value. Take a value from 0.0-1.0. to decrease the transparency (e.g. The 'hero-message' wraps the text. How to Set the Opacity of a DIV Background Using CSS. The .hero::before selector creates a CSS rule that adds the image to the element's background. Abolfazl beigi. An alpha value of 1 is equal to 100% opacity, and 0.5 (or .5 like above) is equal to 50% opacity. If there’s a background image layer underneath the gradient, it will become visible once the opacity is lowered. For background, We need to simply define the background-image and to make it responsive, we will take help of cover element. When the mouse pointer moves away from the image, the image will be transparent again. You can also specify the background image in the